package com.jbm.framework.cloud.auth.config;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.annotation.Order;
import org.springframework.security.authentication.AuthenticationManager;
import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
import org.springframework.security.config.annotation.authentication.configurers.GlobalAuthenticationConfigurerAdapter;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
import org.springframework.security.oauth2.config.annotation.configurers.ClientDetailsServiceConfigurer;
import org.springframework.security.oauth2.config.annotation.web.configuration.AuthorizationServerConfigurerAdapter;
import org.springframework.security.oauth2.config.annotation.web.configuration.EnableAuthorizationServer;
import org.springframework.security.oauth2.config.annotation.web.configurers.AuthorizationServerEndpointsConfigurer;
import org.springframework.security.oauth2.config.annotation.web.configurers.AuthorizationServerSecurityConfigurer;
import org.springframework.security.oauth2.provider.token.store.JdbcTokenStore;

import javax.sql.DataSource;

@Configuration
@EnableAuthorizationServer
public class OAuthConfiguration extends AuthorizationServerConfigurerAdapter {

	@Autowired
	private AuthenticationManager auth;

	@Autowired
	private DataSource dataSource;

	private BCryptPasswordEncoder passwordEncoder = new BCryptPasswordEncoder();

	@Bean
	public JdbcTokenStore tokenStore() {
		return new JdbcTokenStore(dataSource);
	}

	@Override
	public void configure(AuthorizationServerSecurityConfigurer security) throws Exception {
		security.passwordEncoder(passwordEncoder);
	}

	@Override
	public void configure(AuthorizationServerEndpointsConfigurer endpoints) throws Exception {
		endpoints.authenticationManager(auth).tokenStore(tokenStore());
	}

	@Override
	public void configure(ClientDetailsServiceConfigurer clients) throws Exception {
		clients.jdbc(dataSource).passwordEncoder(passwordEncoder).withClient("client").secret("secret").authorizedGrantTypes("password", "refresh_token").scopes("read", "write")
			.accessTokenValiditySeconds(3600) // 1 hour
			.refreshTokenValiditySeconds(2592000) // 30 days
			.and().withClient("svca-service").secret("password").authorizedGrantTypes("client_credentials", "refresh_token").scopes("server").and().withClient("svcb-service")
			.secret("password").authorizedGrantTypes("client_credentials", "refresh_token").scopes("server");

	}

	@Configuration
	@Order(-20)
	protected static class AuthenticationManagerConfiguration extends GlobalAuthenticationConfigurerAdapter {

		@Autowired
		private DataSource dataSource;

		@Override
		public void init(AuthenticationManagerBuilder auth) throws Exception {
			auth.jdbcAuthentication().dataSource(dataSource).withUser("dave").password("secret").roles("USER").and().withUser("anil").password("password").roles("ADMIN");
		}
	}

}